Leases - Additional Information (Details) $ in Thousands	12 Months Ended
	Apr. 30, 2023 USD ($) lease	Apr. 30, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Cash paid for operating lease liabilities	$ 1,300	$ 1,600
Number of leases renewed | lease	1
Headquarters in Atlanta, GA
Lessee, Lease, Description [Line Items]
Lease income	$ 318
Minimum
Lessee, Lease, Description [Line Items]
Operating lease terms	3 years
Maximum
Lessee, Lease, Description [Line Items]
Operating lease terms	5 years